CFLAGS += -g
app: clock_speed.o get_pid.o main.o print_arg_list.o
	gcc $(CFLAGS) clock_speed.o print_arg_list.o main.o -o app

clock_speed.o: head.h
get_pid.o: head.h
print_arg_list.o: head.h

main.o: head.h

.PHONY: clean
clean:
	rm -f *.o app
